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annotate src/video/win32/SDL_win32video.c @ 3469:8c5fb2a3b11d

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RenderReadPixels and RenderWritePixels functions work with back buffer now and all asynchronous operations are flushed before reading or writing to backbuffer. Thanks Sam for clarification of this.
author Mike Gorchak <lestat@i.com.ua>
date Sat, 21 Nov 2009 06:17:50 +0000
parents 6338b7f2d024
children 76f9b76ddf0f
rev   line source
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1 /*
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2 SDL - Simple DirectMedia Layer
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99210400e8b9 Updated copyright date
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3 Copyright (C) 1997-2009 Sam Lantinga
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4
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5 This library is free software; you can redistribute it and/or
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6 modify it under the terms of the GNU Lesser General Public
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7 License as published by the Free Software Foundation; either
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8 version 2.1 of the License, or (at your option) any later version.
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9
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10 This library is distributed in the hope that it will be useful,
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 Lesser General Public License for more details.
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14
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15 You should have received a copy of the GNU Lesser General Public
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16 License along with this library; if not, write to the Free Software
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17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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18
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19 Sam Lantinga
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20 slouken@libsdl.org
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21 */
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22 #include "SDL_config.h"
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23
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24 #include "SDL_main.h"
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25 #include "SDL_video.h"
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26 #include "SDL_mouse.h"
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27 #include "../SDL_sysvideo.h"
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28 #include "../SDL_pixels_c.h"
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29
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30 #include "SDL_win32video.h"
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31 #include "SDL_d3drender.h"
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32 #include "SDL_gdirender.h"
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33
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34 /* Initialization/Query functions */
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35 static int WIN_VideoInit(_THIS);
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36 static void WIN_VideoQuit(_THIS);
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37
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38 int total_mice = 0; /* total mouse count */
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39 HANDLE *mice = NULL; /* the handles to the detected mice */
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40 HCTX *g_hCtx = NULL; /* handles to tablet contexts */
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41 int tablet = -1; /* we're assuming that there is no tablet */
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42
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43 /* WIN32 driver bootstrap functions */
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44
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45 static int
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46 WIN_Available(void)
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47 {
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48 return (1);
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49 }
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50
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51 static void
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52 WIN_DeleteDevice(SDL_VideoDevice * device)
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53 {
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54 SDL_VideoData *data = (SDL_VideoData *) device->driverdata;
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55
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56 SDL_UnregisterApp();
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57 #if SDL_VIDEO_RENDER_D3D
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58 if (data->d3d) {
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59 IDirect3D9_Release(data->d3d);
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60 FreeLibrary(data->d3dDLL);
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61 }
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62 #endif
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63 #if SDL_VIDEO_RENDER_DDRAW
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64 if (data->ddraw) {
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65 data->ddraw->lpVtbl->Release(data->ddraw);
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66 FreeLibrary(data->ddrawDLL);
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67 }
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68 #endif
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69 if (data->wintabDLL) {
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70 FreeLibrary(data->wintabDLL);
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71 }
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72 SDL_free(device->driverdata);
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73 SDL_free(device);
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74 }
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75
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76 static SDL_VideoDevice *
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77 WIN_CreateDevice(int devindex)
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78 {
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79 SDL_VideoDevice *device;
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80 SDL_VideoData *data;
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81
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82 SDL_RegisterApp(NULL, 0, NULL);
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83
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84 /* Initialize all variables that we clean on shutdown */
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85 device = (SDL_VideoDevice *) SDL_calloc(1, sizeof(SDL_VideoDevice));
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86 if (device) {
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87 data = (struct SDL_VideoData *) SDL_calloc(1, sizeof(SDL_VideoData));
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88 }
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89 if (!device || !data) {
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90 SDL_OutOfMemory();
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91 if (device) {
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92 SDL_free(device);
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93 }
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94 return NULL;
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95 }
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96 device->driverdata = data;
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97
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98 #if SDL_VIDEO_RENDER_D3D
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99 data->d3dDLL = LoadLibrary(TEXT("D3D9.DLL"));
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100 if (data->d3dDLL) {
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101 IDirect3D9 *(WINAPI * D3DCreate) (UINT SDKVersion);
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102
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103 D3DCreate =
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104 (IDirect3D9 * (WINAPI *) (UINT)) GetProcAddress(data->d3dDLL,
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105 "Direct3DCreate9");
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106 if (D3DCreate) {
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107 data->d3d = D3DCreate(D3D_SDK_VERSION);
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108 }
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109 if (!data->d3d) {
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110 FreeLibrary(data->d3dDLL);
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111 data->d3dDLL = NULL;
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112 }
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113 }
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114 #endif /* SDL_VIDEO_RENDER_D3D */
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115 #if SDL_VIDEO_RENDER_DDRAW
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116 data->ddrawDLL = LoadLibrary(TEXT("ddraw.dll"));
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117 if (data->ddrawDLL) {
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118 IDirectDraw *(WINAPI * DDCreate) (GUID FAR * lpGUID,
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119 LPDIRECTDRAW FAR * lplpDD,
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120 IUnknown FAR * pUnkOuter);
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121
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122 DDCreate =
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123 (IDirectDraw *
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124 (WINAPI *) (GUID FAR *, LPDIRECTDRAW FAR *, IUnknown FAR *))
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125 GetProcAddress(data->ddrawDLL, TEXT("DirectDrawCreate"));
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126 if (!DDCreate || DDCreate(NULL, &data->ddraw, NULL) != DD_OK) {
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127 FreeLibrary(data->ddrawDLL);
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128 data->ddrawDLL = NULL;
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129 data->ddraw = NULL;
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130 }
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131 }
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132 #endif /* SDL_VIDEO_RENDER_DDRAW */
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133
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134 data->wintabDLL = LoadLibrary(TEXT("WINTAB32.DLL"));
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135 if (data->wintabDLL) {
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136 #define PROCNAME(X) #X
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137 data->WTInfoA =
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138 (UINT(*)(UINT, UINT, LPVOID)) GetProcAddress(data->wintabDLL,
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139 PROCNAME(WTInfoA));
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140 data->WTOpenA =
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8cc00819c8d6 Reverted Bob's indent checkin
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141 (HCTX(*)(HWND, LPLOGCONTEXTA, BOOL)) GetProcAddress(data->
8cc00819c8d6 Reverted Bob's indent checkin
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142 wintabDLL,
8cc00819c8d6 Reverted Bob's indent checkin
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143 PROCNAME
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144 (WTOpenA));
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145 data->WTPacket =
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146 (int (*)(HCTX, UINT, LPVOID)) GetProcAddress(data->wintabDLL,
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147 PROCNAME(WTPacket));
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148 data->WTClose =
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149 (BOOL(*)(HCTX)) GetProcAddress(data->wintabDLL,
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150 PROCNAME(WTClose));
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151 #undef PROCNAME
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152
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153 if (!data->WTInfoA || !data->WTOpenA || !data->WTPacket
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154 || !data->WTClose) {
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155 FreeLibrary(data->wintabDLL);
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156 data->wintabDLL = NULL;
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157 }
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158 }
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159
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160 /* Set the function pointers */
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161 device->VideoInit = WIN_VideoInit;
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162 device->VideoQuit = WIN_VideoQuit;
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163 device->GetDisplayModes = WIN_GetDisplayModes;
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164 device->SetDisplayMode = WIN_SetDisplayMode;
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165 device->SetDisplayGammaRamp = WIN_SetDisplayGammaRamp;
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166 device->GetDisplayGammaRamp = WIN_GetDisplayGammaRamp;
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167 device->PumpEvents = WIN_PumpEvents;
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168
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169 #undef CreateWindow
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170 device->CreateWindow = WIN_CreateWindow;
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171 device->CreateWindowFrom = WIN_CreateWindowFrom;
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172 device->SetWindowTitle = WIN_SetWindowTitle;
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173 device->SetWindowIcon = WIN_SetWindowIcon;
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174 device->SetWindowPosition = WIN_SetWindowPosition;
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175 device->SetWindowSize = WIN_SetWindowSize;
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176 device->ShowWindow = WIN_ShowWindow;
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177 device->HideWindow = WIN_HideWindow;
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178 device->RaiseWindow = WIN_RaiseWindow;
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179 device->MaximizeWindow = WIN_MaximizeWindow;
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180 device->MinimizeWindow = WIN_MinimizeWindow;
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181 device->RestoreWindow = WIN_RestoreWindow;
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182 device->SetWindowGrab = WIN_SetWindowGrab;
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183 device->DestroyWindow = WIN_DestroyWindow;
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diff changeset
184 device->GetWindowWMInfo = WIN_GetWindowWMInfo;
1952
420716272158 Implemented X11 OpenGL support.
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diff changeset
185 #ifdef SDL_VIDEO_OPENGL_WGL
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186 device->GL_LoadLibrary = WIN_GL_LoadLibrary;
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187 device->GL_GetProcAddress = WIN_GL_GetProcAddress;
3057
089a77aebb7d Added test program for SDL_CreateWindowFrom()
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188 device->GL_UnloadLibrary = WIN_GL_UnloadLibrary;
1913
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diff changeset
189 device->GL_CreateContext = WIN_GL_CreateContext;
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190 device->GL_MakeCurrent = WIN_GL_MakeCurrent;
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diff changeset
191 device->GL_SetSwapInterval = WIN_GL_SetSwapInterval;
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192 device->GL_GetSwapInterval = WIN_GL_GetSwapInterval;
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193 device->GL_SwapWindow = WIN_GL_SwapWindow;
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diff changeset
194 device->GL_DeleteContext = WIN_GL_DeleteContext;
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diff changeset
195 #endif
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diff changeset
196
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197 device->free = WIN_DeleteDevice;
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diff changeset
198
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diff changeset
199 return device;
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200 }
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diff changeset
201
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
diff changeset
202 VideoBootStrap WIN32_bootstrap = {
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diff changeset
203 "win32", "SDL Win32/64 video driver", WIN_Available, WIN_CreateDevice
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204 };
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205
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
206
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
207 int
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diff changeset
208 WIN_VideoInit(_THIS)
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diff changeset
209 {
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diff changeset
210 WIN_InitModes(_this);
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
211
1905
36d52b1f0504 Prefer the D3D renderer over GDI, at least for testing.
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parents: 1895
diff changeset
212 #if SDL_VIDEO_RENDER_D3D
36d52b1f0504 Prefer the D3D renderer over GDI, at least for testing.
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parents: 1895
diff changeset
213 D3D_AddRenderDriver(_this);
36d52b1f0504 Prefer the D3D renderer over GDI, at least for testing.
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parents: 1895
diff changeset
214 #endif
3168
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diff changeset
215 #if SDL_VIDEO_RENDER_DDRAW
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diff changeset
216 DDRAW_AddRenderDriver(_this);
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diff changeset
217 #endif
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diff changeset
218 #if SDL_VIDEO_RENDER_GDI
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diff changeset
219 GDI_AddRenderDriver(_this);
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diff changeset
220 #endif
3168
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diff changeset
221 #if SDL_VIDEO_RENDER_GAPI
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diff changeset
222 GAPI_AddRenderDriver(_this);
Sam Lantinga <slouken@libsdl.org>
parents: 3057
diff changeset
223 #endif
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
diff changeset
224
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diff changeset
225 g_hCtx = SDL_malloc(sizeof(HCTX));
1895
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diff changeset
226 WIN_InitKeyboard(_this);
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diff changeset
227 WIN_InitMouse(_this);
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diff changeset
228
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diff changeset
229 return 0;
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parents:
diff changeset
230 }
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parents:
diff changeset
231
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
diff changeset
232 void
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parents:
diff changeset
233 WIN_VideoQuit(_THIS)
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
234 {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
diff changeset
235 WIN_QuitModes(_this);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
diff changeset
236 WIN_QuitKeyboard(_this);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
diff changeset
237 WIN_QuitMouse(_this);
2710
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diff changeset
238 SDL_free(g_hCtx);
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
239 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
diff changeset
240
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
241 /* vim: set ts=4 sw=4 expandtab: */